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Finding the Fourth Proportional to 367,442.82, 551,164.22 and 118,124.82

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Solution

The fourth proportional to 367,442.82, 551,164.22 and 118,124.82 is: 177,187.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,442.82 : 551,164.22 = 118,124.82 : x
  2. Step 2: Convert to fraction form
    367,442.82/551,164.22 = 118,124.82/x
  3. Step 3: Cross multiply
    367,442.82x = 551,164.22 × 118,124.82
  4. Step 4: Simplify right side
    367,442.82x = 65,106,173,687.32
  5. Step 5: Solve for x
    x = 65,106,173,687.32/367,442.82
  6. Step 6: Final answer
    x = 177,187.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.